Rechargeable battery assembly



FIG. 1 is a perspective view from one end and the side of a rechargeable battery assembly with the cap on showing our new design. The broken line showing is included for the purpose of illustrating environmental features and forms no part of the claimed design;

FIG. 2 is a perspective view from the other end and the side of a rechargeable battery assembly shown in FIG. 1 with the cap on. The broken line showing is included for the purpose of illustrating environmental features and forms no part of the claimed design;

FIG. 3 is a perspective view from the other end and the side of a rechargeable battery assembly shown in FIG. 1 with the cap partially off. The broken line showing is included for the purpose of illustrating environmental features and forms no part of the claimed design; and,

FIG. 4 is a side elevation of rechargeable battery assembly shown in FIG. 1 with the cap off. The broken line showing is included for the purpose of illustrating environmental features and forms no part of the claimed design. 

The ornamental design for a rechargeable battery assembly, as shown and described. 